Announcement message displays on meeting form

1. What went wrong?

The announcement message displays on the meeting join form which is strange because we don't display it on the meeting info page.

2. What did you expect to happen?

I woudn't display the announcement on this page.

3. Where did you found this bug (which site)?

Meeting page : https://staging.decidim.codegram.com/processes/quidem-sed/f/16/meetings/6

Join form : https://staging.decidim.codegram.com/processes/quidem-sed/f/16/meetings/6/registration/join